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a <br /> u.xaceae �er�ascaurnvn <br /> ROY F WESTON, INC <br /> STOCKTON ANALYTICAL LABORATORY <br />' ANALYTICAL CASE NARRATIVE <br /> Client- SAN JOAQUIN HSA <br />' RFW# 93085614 <br />' Test SW8015(MODIFIED)-TOTAL PURGEABLE PETROLEUM HYDROCARBONS <br />' 1 This narrative covers the analysis of seven (7) water samples in accordance with the <br /> protocols based on The California Luft Manual. <br />' 2 The analytical hold time for this analysis was met. <br /> 3 The continuing calibration criteria was met for this analysis. <br /> 4 The method blank associated with this sample was free of target analyte interferences <br /> at, or above, the reporting limit. <br />' 5 Surrogate recoveries were within Laboratory Q.0 limits <br />' 6. Blank spike recoveries were within acceptable Q.C. criteria. <br /> 7 The matrix spikes were not requested by this client. <br /> 8 Retention times were within acceptable Q C. limits. <br /> I <br /> 4d /C-� <br /> I <br /> I <br /> -.3J -93 <br /> D. GIMBLE\ nit Leader Date <br />